{"id":"CVE-2026-88209","title":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","summary":"Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.","severity":"medium","cvss":4.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"microsoft","product":"sharepoint_server","affected":["sharepoint_server < 16.0.20326.20190"],"patched":["sharepoint_server 16.0.20326.20190"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:43:39.380","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88209","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88209","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00363,"epssPercentile":0.29926,"ingestedAt":"2026-10-13T19:43:29.241Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-13T19:49:34.618404Z"},"slug":"CVE-2026-88209","body":"## Overview\n\nImproper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.\n\n## Affected\n\n- `sharepoint_server < 16.0.20326.20190`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `sharepoint_server 16.0.20326.20190`","depth":"sunlit","depthScore":25,"depthScoreParts":{"impact":25.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}